Use Images instead of radio button and get the checked value and pass it to a h2 tag

Hi There,

I am using images to display radio buttons, but I am running into trouble in getting the checked value and passing to a label. I am able to click on a image and set the radio button to checked, but if I click any another image, this images radio button also gets checked so now I have 2 radio buttons checked, I only want the one with the image selected and pass that value to h2 tag. Here is link for jfiddle showing a demo

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